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Question

(B)NaBH4−−−CH3N3LAH−−(A)

The products (A) and (B) are:

A
CH3NH2, CH3NH2
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B
CH3NH2, No reaction
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C
No reaction, CH3NH2
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D
No reaction, No reaction
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Solution

The correct option is A CH3NH2, CH3NH2
NaBH4 and LiAlH4 both act as sources of nucleophilic hydride and therefore are reactive towards electrophilic species. In the reaction with CH3N3 they both form CH3NH2.
CH3N=N+=N+Na+BH4CH3NBH+4+NN
CH3NBH+4CH3NH2

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